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13.3.1.1 Primary Crusher. Primary crushers are heavy-duty rugged machines used to crush ROM ore of (−) 1.5 m size. These large-sized ores are reduced at the primary crushing stage for an output product dimension of 10–20 cm. The common primary crushers are of jaw and gyratory types.
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The reduction ratio for crushing gives us important information about how large or coarse the feed can be for the crusher to handle and how fine or small the output or product will be. For example, a 6:1 reduction ratio means a crusher will break a 6" piece, or input, into 1" pieces on average. These ratios can determine which crushers will ...
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The jaw crusher line is designed for the motor sizes listed in RPG and technical specifications. This means that for harder materials, the crusher will have to be operated at larger settings to avoid overload of drive and/or motor. Using oversized motors will lead to radically shorter crusher life and various mechanical problems.
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When rock is crushed, the product includes material of the size of the crusher setting, some slightly larger and the rest of the material smaller than the crusher setting. ... Screen Analysis of Product from Jaw Crusher, Percent Passing Screen Opening. Product. Size (in.) ... it is found that 20% of the output is between 1½ in. and 1 in. size ...
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Its output size is 3/4″ to 3-1/4″ and has a rate of up to 34 tons per hour. The K-JC 503 is a supreme choice for contractors looking to reduce excavation or construction waste on-site. The K-JC 503 mobile jaw crusher creates the best opportunities to save money on excavation and demolition waste removal by creating byproducts that can be ...
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The Model 20SJ is a 10"x20" stationary jaw crusher. Utilizing the same crusher as the Model 20TJ, this machine also has instant hydraulic adjustable jaws that allow output product sizes ranging from ¾" up to 3". Likewise, a dust suppression system is also standard on this machine. These crushers are ideal for landscapers, small builders,
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3 Heavy duty torque bent axis motor belt adjustment 14.72 m / 48' 3" 16.04 m / 52' 7" 2.79 m / 9' 2" 6.39 m / 20' 11" feed 4 Jaw guard to withstand heavy forces of ejected material from the jaw maximum strength and durability 5 Standard weight 52,292 kg / 115,284 lbs …
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The actual production capacity is calculated on the basis of 70% - 80% machine efficiency and required output size is calculated on the basis of 60% - 65% of the actual output which can be increased. For achieving cubical product from the crusher, usage of serrated jaw plates are recommended.
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A measure of the size reduction achieved for a particular crusher application is the reduction ratio. A cone crusher in a secondary crushing application will typically work with a 3.5:1 to 5:1 reduction ratio. Tertiary cone crusher configurations typically work with a reduction ratio of 2.5:1 to 4:1.
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The Powerscreen Metrotrak is a highly compact, high performing tracked mobile jaw crushing plant featuring the "M" series single toggle jaw crusher. The new Metrotrak builds on the previously successful model with upgraded features, additional options, and slick new styling. It includes an aggressive crushing action and a high output even ...
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Jaw crushers. A jaw crusher is a compression-type of crusher. Material is reduced by squeezing the feed material between a moving piece of steel and a stationary piece. The setting or the space …
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Fresh feed rate and crusher feeding condition (choke-fed/trickle-fed) had significant impacts on size reduction of manual control. Only automatic control compensated for the effect of feed rate and crusher feeding condition. •. CSS showed a decreasing trend to compensate for wear (both automatic and manual control) •.
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It mainly crushes the small material discharge from the jaw crusher. In general, the jaw crushers are placed before the impact crusher. 2. Capacity. 1. Jaw crusher can crush various materials with compressive strength below 320MPa, particle size between 125mm – 750mm. capacity up to 500 TPH. Most jaw crusher manufacturers …
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The closed-side setting on a Short-head Cone Crusher can be adjusted tighter than a standard cone to improve final product size and shape. Short-head Cone Crushers offer reduction ratios around 4:1. Vertical Shaft Impactors. Vertical Shaft Impact Crushers have a rotating vertical shaft with a table or rotor at the top.
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C Series™ jaw crusher basic concepts 4 How to operate a C Series™ jaw crusher 6 C Series™ jaw crusher wear parts 8 One- or two-piece jaws 10 MX jaws 11 ... crusher components. • Small feed size increases wear at the bot-tom of the cavity and may cause poor uti-lization of wear parts. 2. Check the feed arrangement
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Jaw crusher: $1, 000/ Set (the lowest price) Contact us Cone crusher: $5, 000/ Set (the lowest price) Contact us. 3. The overall structure of the machine From the perspective of the overall structure, the cone crusher is 1.7-2 times heavier and 2-3 times higher than the jaw crusher with the same feeding opening size.
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The width of the jaw determines capacity. Jaw crusher output gradation is controlled by the closed side setting. This is the adjustable opening at the bottom of the jaw. With a 24" top size limit and …
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PEX jaw crusher can be used to crusher hard stones like mica, etc. It has low noise, less dust, large crushing ratio, uniform product size. +86 [email protected] language >ultrafine powder …
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A Jaw Crusher is sized so that the maximum feed size is 80% of the gape …
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LC-27 2.25x3in Laboratory Jaw Crusher reduces 2in (50mm) aggregate, ore, and rock materials to a product with 80% passing a No. 14 (1.4mm) sieve. Jaw opening easily adjusts down to 1mm minimum to closely control output size. The maximum throughput is approximately 50lb (22kg) per hour at 525rpm. The rate of operation is regulated by the ...
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Celculaled camel ty.16 ' 2.5 7 I n 0 0.5 1 1.5 2 2.5 Actual capacl ty.lh' Q Present Eqn. + Rose 8 Engllsh Eqn. Fig 1 - Comparison of calculated capacltles wlth the oata of Hersam (1 9231 for different machlne parameters thereby influencing the degree of compaction of the product. The final equation for the capacity of jaw crushers can
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The space at the bottom of the V-aligned jaw plates is the output gap that dictates the size of the crushed product from the jaw crusher. The rock remains in the jaws until it is small enough to ...
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Max. feed size 650.000 mm (26.000 in.) Capacity 400 mtph (440 stph) ... The powerful jaw crusher is capable of a variety of tasks with its large under-belt clearances, and is equipped with a hydraulic raise and lower facility on the main conveyor as standard. ... Full PLC control system and Danfoss color screen allow visual data output of all ...
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The maximum size of output is to be 1½ in., and separation of materials over 1 in. size and the minus 1 in. in the output is required. ... For the primary crusher a jaw crusher will probably be most economical. A jaw crusher, like 2036 in the Jaw Crusher Table here above, would be able to take the maximum 12 in. size quarry stone but it …
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Advantages of a Jaw Crusher. Many factors make laboratory jaw crushers the optimum selection for effective and efficient primary crushing of hard, brittle, rock-like materials. Laboratory models are available with sample top sizes from 0.75in to 8in (20mm to 203mm). Jaw plates are available in a variety of material types to optimize performance ...
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Let's solve an example; Find the capacity of jaw crusher when the gape size is 10, the width of crusher is 8 and the closed single setting of jaw crusher is 14. This implies that; G = Gape Size = 10. W = Width of Crusher = 8. CSS = Closed Single Setting of Jaw Crushers = 14. C JC = G.W / CSS. C JC = (10) (8) / 14.
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How you select your primary crusher will be based on factors like moisture content, maximum rock lump size, material density SG, abrasion index, degradability and it being prone to dusting or not. The crusher capacities given by manufacturers are typically in tons of 2,000 lbs. and are based on crushing limestone weighing loose about 2,700 lbs. …
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